MatchResult end(int group) Method in Java with Examples

Maruthi Krishna
Updated on 10-Jan-2020 12:31:43

86 Views

The java.util.regex.MatcheResult interface provides methods to retrieve the results of a match.You can get an object of this interface using the toMatchResult() method of the Matcher class. This method returns a MatchResult object which represents the match state of the current matcher.The end(int group) method of this interface accepts an integer representing a particular group and returns the offset after the last match occurred in the specified group.Example Live Demoimport java.util.Scanner; import java.util.regex.MatchResult; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example {    public static void main( String args[] ) {       String regex = "(.*)(\d+)(.*)";       //Reading ... Read More

MatchResult end() Method in Java with Examples

Maruthi Krishna
Updated on 10-Jan-2020 12:27:29

92 Views

The java.util.regex.MatcheResult interface provides methods to retrieve the results of a match.You can get an object of this interface using the toMatchResult() method of the Matcher class. This method returns a MatchResult object which represents the match state of the current matcher.The end() method of this interface returns the offset after the last match occurred.Example Live Demoimport java.util.Scanner; import java.util.regex.MatchResult; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example {    public static void main( String args[] ) {       String regex = "you$";       //Reading input from user       Scanner sc = new Scanner(System.in);     ... Read More

POSIX Character Classes in Java Regex

Maruthi Krishna
Updated on 10-Jan-2020 12:25:21

320 Views

This class matches currency symbols.Example 1 Live Demoimport java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example1 {    public static void main(String args[]) {       //Reading String from user       System.out.println("Enter a string");       Scanner sc = new Scanner(System.in);       String input = sc.nextLine();       //Regular expression       String regex = "\p{Sc}";       //Compiling the regular expression       Pattern pattern = Pattern.compile(regex);       //Retrieving the matcher object       Matcher matcher = pattern.matcher(input);       int count = 0;     ... Read More

POSIX Character Classes in Java Regex

Maruthi Krishna
Updated on 10-Jan-2020 12:17:55

435 Views

This class \p{IsAlphabetic} matches alphabetic characters.Example 1 Live Demoimport java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example1 {    public static void main(String args[]) {       //Reading String from user       System.out.println("Enter a string");       Scanner sc = new Scanner(System.in);       String input = sc.nextLine();       //Regular expression       String regex = "\p{IsAlphabetic}";       //Compiling the regular expression       Pattern pattern = Pattern.compile(regex);       //Retrieving the matcher object       Matcher matcher = pattern.matcher(input);       int count = 0;   ... Read More

POSIX Character Classes in Java Regex

Maruthi Krishna
Updated on 10-Jan-2020 12:12:39

275 Views

This class \p{Lu} matches upper case letters.Example 1 Live Demoimport java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example1 {    public static void main(String args[]) {       //Reading String from user       System.out.println("Enter a string");       Scanner sc = new Scanner(System.in);       String input = sc.nextLine();       //Regular expression       String regex = "\p{Lu}";       //Compiling the regular expression       Pattern pattern = Pattern.compile(regex);       //Retrieving the matcher object       Matcher matcher = pattern.matcher(input);       int count = 0; ... Read More

Print All Characters of a String Using Regular Expression in Java

Maruthi Krishna
Updated on 10-Jan-2020 11:58:07

2K+ Views

The meta character "." matches all the characters, to print all the characters using the regular expressions −Compile the regular expression using the compile() method.Create a Matcher object using the matcher() method.Find the matches using the find() method and for every match print the matched contents (characters) using the group() method.Example Live Demoimport java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class RegexExample {    public static void main( String args[] ) {       //Regular expression to match a string of non-word with length 2 to 6       String regex = ".";       Scanner sc = new ... Read More

Java Regex Program to Split a String with Line Endings as Delimiter

Maruthi Krishna
Updated on 10-Jan-2020 11:56:00

569 Views

In windows "\r" acts as the line separator. The regular expression "\r?" matches the line endings.The split() method of the String class accepts a value representing a regular expression and splits the current string into array of tokens (words), treating the string between the occurrence of two matches as one token.Therefore, if you want to split a string with line endings as delimiter, invoke the split() method on the input string by passing the above specified regular expression as a parameter.Example Live Demoimport java.util.Scanner; public class RegexExample {    public static void main(String[] args) {       System.out.println("Enter your input ... Read More

Java Regex Program to Split a String at Every Space and Punctuation

Maruthi Krishna
Updated on 10-Jan-2020 11:53:38

2K+ Views

The regular expression "[!._, '@?//s]" matches all the punctuation marks and spaces.Exampleimport java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Test {    public static void main( String args[] ) {       String input = "This is!a.sample"text, with punctuation!marks";       Pattern p = Pattern.compile("[!._, '@?//s]");       Matcher m = p.matcher(input);       int count = 0;       while(m.find()) {          count++;       }       System.out.println("Number of matches: "+count);    } }OutputNumber of matches: 8The split() method of the String class accepts a value representing a ... Read More

MatchResult group(int) Method in Java with Examples

Maruthi Krishna
Updated on 10-Jan-2020 11:47:12

204 Views

The java.util.regex.MatcheResult interface provides methods to retrieve the results of a matchYou can get an object of this interface using the toMatchResult() method of the Matcher class. This method returns a MatchResult object which represents the match state of the current matcher.The group(int group) method of this interface accepts an integer value representing a particular group and returns a string value representing the matched substring from the given input sequence, in the specified group during the last match.Example Live Demoimport java.util.Scanner; import java.util.regex.MatchResult; import java.util.regex.Matcher; import java.util.regex.Pattern; public class GroupExample {    public static void main( String args[] ) {   ... Read More

POSIX Character Classes: p IsLatin in Java Regex

Maruthi Krishna
Updated on 10-Jan-2020 11:44:15

614 Views

This class \p{IsLatin} matches characters of Latin.Example 1 Live Demoimport java.util.Scanner; import java.util.regex.Matcher; import java.util.regex.Pattern; public class Example {    public static void main(String args[]) {       //Reading String from user       System.out.println("Enter a string");       Scanner sc = new Scanner(System.in);       String input = sc.nextLine();       //Regular expression       String regex = "\p{IsLatin}";       //Compiling the regular expression       Pattern pattern = Pattern.compile(regex);       //Retrieving the matcher object       Matcher matcher = pattern.matcher(input);       int count = 0; ... Read More

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